Patents by Inventor Saul James Butterworth

Saul James Butterworth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Package with tear tape and method of forming same
    Patent number: 6228458
    Abstract: Hermetically sealed packages for food, cigarettes and the like are formed from packaging material (37) having a tear tape (33) attached thereto. The tear tape includes a surface formed of a material (7) which flows under the conditions needed to seal portions (8,9) of the packaging material together when closing the package so as to fill any gaps between the tape and the packaging material portions.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: May 8, 2001
    Assignee: P. P. Payne Limited
    Inventors: Stephen Paul Pinchen, Saul James Butterworth, Stephen Barry Maguire